Finding the Fourth Proportional to 1,853.40, 2,556.72 and 1,503.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.40 : 2,556.72 = 1,503.48 : x
2. Step 2: Convert to fraction form
   1,853.40/2,556.72 = 1,503.48/x
3. Step 3: Cross multiply
   1,853.40x = 2,556.72 × 1,503.48
4. Step 4: Simplify right side
   1,853.40x = 3,843,977.39
5. Step 5: Solve for x
   x = 3,843,977.39/1,853.40
6. Step 6: Final answer
   x = 2,074.01